================================================================================
UBSAN: Undefined behaviour in fs/ext4/super.c:3763:25
shift exponent 51 is too large for 32-bit type 'int'
CPU: 0 PID: 17696 Comm: syz-executor.5 Not tainted 4.19.152-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x22c/0x33e lib/dump_stack.c:118
 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161
 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422
 ext4_fill_super.cold+0x33b/0x4ea fs/ext4/super.c:3763
 mount_bdev+0x2fc/0x3b0 fs/super.c:1158
 mount_fs+0xa3/0x318 fs/super.c:1261
 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2469 [inline]
 do_mount+0x51c/0x2f10 fs/namespace.c:2799
 ksys_mount+0xcf/0x130 fs/namespace.c:3015
 __do_sys_mount fs/namespace.c:3029 [inline]
 __se_sys_mount fs/namespace.c:3026 [inline]
 __x64_sys_mount+0xba/0x150 fs/namespace.c:3026
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4608aa
Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 ad 89 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 8a 89 fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007f52e5d7da88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f52e5d7db20 RCX: 00000000004608aa
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f52e5d7dae0
RBP: 00007f52e5d7dae0 R08: 00007f52e5d7db20 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020000100 R14: 0000000020000200 R15: 00000000200000c0
================================================================================
EXT4-fs (loop5): Unsupported filesystem blocksize 536870912 (51 log_block_size)
EXT4-fs (loop5): Unsupported filesystem blocksize 536870912 (51 log_block_size)
kauditd_printk_skb: 111 callbacks suppressed
audit: type=1326 audit(1603156300.049:20507): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=17719 comm="syz-executor.4" exe="/root/syz-executor.4" sig=0 arch=c000003e syscall=228 compat=0 ip=0x460cba code=0x7ffc0000
audit: type=1326 audit(1603156300.089:20508): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=17719 comm="syz-executor.4" exe="/root/syz-executor.4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x45de59 code=0x7ffc0000
audit: type=1326 audit(1603156300.089:20509): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=17719 comm="syz-executor.4" exe="/root/syz-executor.4" sig=0 arch=c000003e syscall=228 compat=0 ip=0x460cba code=0x7ffc0000
audit: type=1326 audit(1603156300.089:20510): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=17719 comm="syz-executor.4" exe="/root/syz-executor.4" sig=0 arch=c000003e syscall=317 compat=0 ip=0x45de59 code=0x7ffc0000
audit: type=1326 audit(1603156300.129:20511): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=17719 comm="syz-executor.4" exe="/root/syz-executor.4" sig=0 arch=c000003e syscall=228 compat=0 ip=0x460cba code=0x7ffc0000
audit: type=1326 audit(1603156300.129:20512): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=17719 comm="syz-executor.4" exe="/root/syz-executor.4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x45de59 code=0x7ffc0000
audit: type=1326 audit(1603156300.199:20513): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=17730 comm="syz-executor.5" exe="/root/syz-executor.5" sig=31 arch=c000003e syscall=228 compat=0 ip=0x460cba code=0x0
audit: type=1326 audit(1603156300.989:20514): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=17730 comm="syz-executor.5" exe="/root/syz-executor.5" sig=31 arch=c000003e syscall=228 compat=0 ip=0x460cba code=0x0
audit: type=1326 audit(1603156301.259:20515): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=17797 comm="syz-executor.2" exe="/root/syz-executor.2" sig=0 arch=c000003e syscall=228 compat=0 ip=0x460cba code=0x50000
audit: type=1326 audit(1603156301.259:20516): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=17797 comm="syz-executor.2" exe="/root/syz-executor.2" sig=0 arch=c000003e syscall=202 compat=0 ip=0x45de59 code=0x50000
FAT-fs (loop0): bogus number of reserved sectors
FAT-fs (loop0): Can't find a valid FAT filesystem
FAT-fs (loop0): bogus number of reserved sectors
FAT-fs (loop0): Can't find a valid FAT filesystem
FAT-fs (loop0): bogus number of reserved sectors
FAT-fs (loop0): Can't find a valid FAT filesystem
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pid=18183 comm=syz-executor.1
hugetlbfs: syz-executor.5 (18185): Using mlock ulimits for SHM_HUGETLB is deprecated
FAT-fs (loop0): bogus number of reserved sectors
FAT-fs (loop0): Can't find a valid FAT filesystem
FAT-fs (loop0): bogus number of reserved sectors
FAT-fs (loop0): Can't find a valid FAT filesystem
tmpfs: Bad value 'default=static:' for mount option 'mpol'
FAT-fs (loop0): bogus number of reserved sectors
FAT-fs (loop0): Can't find a valid FAT filesystem
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pid=18330 comm=syz-executor.2
FAT-fs (loop0): bogus number of reserved sectors
FAT-fs (loop0): Can't find a valid FAT filesystem
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'.
FAT-fs (loop0): bogus number of reserved sectors